Liber secundus. Investigatio orbitarum corporum coelestium ex observationibus geocentricis
Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 155 / Harvested from
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@article{PPN236008730+dmdlog14,
     title = {Liber secundus. Investigatio orbitarum corporum coelestium ex observationibus geocentricis},
     booktitle = {Theoretische Astronomie Bd. 7},
     series = {GDML\_Books},
     year = {1906},
     pages = {155},
     url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog14}
}

 (éd.). Liber secundus. Investigatio orbitarum corporum coelestium ex observationibus geocentricis, dans Theoretische Astronomie Bd. 7, GDML_Books,  (1906), p. 155. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog14/